[Freeswitch-users] Issue with Freeswitch Behind nat
Michael Collins
msc at freeswitch.org
Thu Jan 15 07:20:57 MSK 2015
For posterity, RTP port range is specified in
autoload_configs/switch.conf.xml:
<!-- RTP port range -->
<!-- <param name="rtp-start-port" value="16384"/> -->
<!-- <param name="rtp-end-port" value="32768"/> -->
-MC
On Wed, Jan 14, 2015 at 1:30 PM, Pasha <pasha at prosperity4ever.com> wrote:
> When you're behind NAT you have to make sure that your firewall rewrites
> the packets and allows them through. It sounds like your port 5060 is open
> and is being sent to the correct internal machine (server B), but your
> media is not (RTP), you need to make sure that you are allowing and
> forwarding the RTP ports as well (I can't remember the exact range, but I
> believe they are specified somewhere in freeswitch config) but it's
> something like 10,000-22,000 (it's a range), then your audio should be
> working. Depending on your setup you might have to setup source NAT as well
> as destination NAT.
>
> I have a working environment in production where all my servers are behind
> NAT as well as all my clients connecting to them are behind NAT as well via
> openvpn (vpn NAT too hehe), so I know it works, just need to play with it
> enough until you get it working properly.
>
> Hope that helped.
>
> Paul
>
>
> On 15-01-14 01:13 PM, Frederick Pruneau wrote:
>
> Sorry for the delay.
>
> I have attached a PNG file of my topology.
>
> 2014-12-19 17:01 GMT-05:00 Brian West <brian at freeswitch.org>:
>
>> Describe your topology a little bit.
>>
>> On Fri, Dec 19, 2014 at 2:31 PM, Frederick Pruneau <
>> frederick at targointernet.com> wrote:
>>>
>>> Sorry, I pasted all my log file. I have a new pastebin:
>>>
>>> https://pastebin.freeswitch.org/23771
>>>
>>> I tested it and I can open it.
>>>
>>> 2014-12-19 13:05 GMT-05:00 Brian West <brian at freeswitch.org>:
>>>
>>> Never able to load your pastebin, it would timeout and not load, what
>>>> exactly did you paste in there?
>>>>
>>>> On Fri, Dec 19, 2014 at 8:56 AM, Frederick Pruneau <
>>>> frederick at targointernet.com> wrote:
>>>>>
>>>>> Did you find something?
>>>>>
>>>>> 2014-12-17 10:36 GMT-05:00 Frederick Pruneau <
>>>>> frederick at targointernet.com>:
>>>>>
>>>>>> Here it is: https://pastebin.freeswitch.org/23746
>>>>>>
>>>>>> It is my freeswitch log. I have followed this guide before:
>>>>>>
>>>>>> https://wiki.freeswitch.org/wiki/Sofia#Debugging_Sofia-SIP
>>>>>>
>>>>>> I have enabled this and make a call:
>>>>>>
>>>>>> sofia global siptrace on
>>>>>> sofia loglevel all 9
>>>>>> sofia tracelevel alert
>>>>>> console loglevel debug
>>>>>> fsctl debug_level 10
>>>>>>
>>>>>> This is what you will get in my pastebin
>>>>>>
>>>>>>
>>>>>> 2014-12-17 9:27 GMT-05:00 Brian West <brian at freeswitch.org>:
>>>>>>
>>>>>>> sofia global siptrace on
>>>>>>>
>>>>>>> from fs_cli
>>>>>>>
>>>>>>> On Wed, Dec 17, 2014 at 7:44 AM, Frederick Pruneau <
>>>>>>> frederick at targointernet.com> wrote:
>>>>>>>>
>>>>>>>> Sorry for this noob question but how can I see sip traffic? Is
>>>>>>>> there a specific command to show this? Is it what we find in
>>>>>>>> freeswitch.log? If so, I attached my log file in my first post.
>>>>>>>>
>>>>>>>> Thanks for you help
>>>>>>>>
>>>>>>>> 2014-12-16 15:44 GMT-05:00 Brian West <brian at freeswitch.org>:
>>>>>>>>
>>>>>>>>> have you looked at the signalling? What does the sip traffic
>>>>>>>>> show? Please pastebin that.
>>>>>>>>>
>>>>>>>>> On Tue, Dec 16, 2014 at 2:37 PM, Frederick Pruneau <
>>>>>>>>> frederick at targointernet.com> wrote:
>>>>>>>>>>
>>>>>>>>>> Same problem...
>>>>>>>>>>
>>>>>>>>>> 2014-12-16 13:55 GMT-05:00 Brian West <brian at freeswitch.org>:
>>>>>>>>>>
>>>>>>>>>>> Guessing you don't have UPNP or NAT-PMP on your network, there
>>>>>>>>>>> for that won't work,
>>>>>>>>>>>
>>>>>>>>>>> ext-sip-ip=autonat:x.x.x.x
>>>>>>>>>>> ext-rtp-ip=autonat:x.x.x.x
>>>>>>>>>>>
>>>>>>>>>>> Set local-network-ac to rfc1918.auto
>>>>>>>>>>>
>>>>>>>>>>> On Tue, Dec 16, 2014 at 12:15 PM, Support Technique <
>>>>>>>>>>> support at targointernet.com> wrote:
>>>>>>>>>>>>
>>>>>>>>>>>> <param name="ext-rtp-ip" value="auto-nat"/>
>>>>>>>>>>>> <param name="ext-sip-ip" value="auto-nat"/>
>>>>>>>>>>>> <param name="local-network-acl" value="localnet.auto"/>
>>>>>>>>>>>>
>>>>>>>>>>>> 2014-12-16 12:25 GMT-05:00 Brian West <brian at freeswitch.org>:
>>>>>>>>>>>>
>>>>>>>>>>>>> On the system behind nat what do you have ext-rtp-ip,
>>>>>>>>>>>>> ext-sip-ip and local-network-acl set to?
>>>>>>>>>>>>>
>>>>>>>>>>>>> On Tue, Dec 16, 2014 at 10:41 AM, Frederick Pruneau <
>>>>>>>>>>>>> frederick at targointernet.com> wrote:
>>>>>>>>>>>>>
>>>>>>>>>>>>>> Hi guys,
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> We have an issue with one freeswitch server behind nat. We
>>>>>>>>>>>>>> have a setup like this:
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> -One master Freeswitch server
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> -One freeswitch server connected to the master (Public IP)
>>>>>>>>>>>>>> - Server A
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> -One freeswitch server connected to the master (behind nat)
>>>>>>>>>>>>>> - Server B
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> If server A call server B, nothing happens. There is no
>>>>>>>>>>>>>> sound. After 30 sec, it times out. We have done a tcpdump. From server A to
>>>>>>>>>>>>>> master packets are ok. From Master to server B, we have seen that there is
>>>>>>>>>>>>>> no source and no destination ports for sip invite.
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> If we use our cellphone and we call server B, there is no
>>>>>>>>>>>>>> problem.
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> I have attached the failed call pcap file and freeswitch's
>>>>>>>>>>>>>> log file so you can take a look at them.
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> Master = Freeswitch v1.4.13
>>>>>>>>>>>>>> Server A = Freeswitch v.1.4.13
>>>>>>>>>>>>>> Server B = Freeswitch v.1.4.14 (Updated to latest release
>>>>>>>>>>>>>> since we have issues with this server)
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> Thanks in advance.
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> PS: The failed call is from 514-448-0773.
>>>>>>>>>>>>>>
>>>>>>>>>>>>>>
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> _________________________________________________________________________
>>>>>>>>>>>>>> Professional FreeSWITCH Consulting Services:
>>>>>>>>>>>>>> consulting at freeswitch.org
>>>>>>>>>>>>>> http://www.freeswitchsolutions.com
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> Official FreeSWITCH Sites
>>>>>>>>>>>>>> http://www.freeswitch.org
>>>>>>>>>>>>>> http://confluence.freeswitch.org
>>>>>>>>>>>>>> http://www.cluecon.com
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> FreeSWITCH-users mailing list
>>>>>>>>>>>>>> FreeSWITCH-users at lists.freeswitch.org
>>>>>>>>>>>>>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>>>>>>>>>>>>>> UNSUBSCRIBE:
>>>>>>>>>>>>>> http://lists.freeswitch.org/mailman/options/freeswitch-users
>>>>>>>>>>>>>> http://www.freeswitch.org
>>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>> --
>>>>>>>>>>>>>
>>>>>>>>>>>>> *Brian West*
>>>>>>>>>>>>> brian at freeswitch.org
>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>> *Twitter: @FreeSWITCH , @briankwest*
>>>>>>>>>>>>> http://www.freeswitchbook.com
>>>>>>>>>>>>> http://www.freeswitchcookbook.com
>>>>>>>>>>>>>
>>>>>>>>>>>>> *T:*+19184209001 | *F:*+19184209002 | *M:*+1918424WEST (9378)
>>>>>>>>>>>>> *iNUM:*+883 5100 1420 9001 | *ISN:*410*543 | *Skype:*
>>>>>>>>>>>>> briankwest
>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>> _________________________________________________________________________
>>>>>>>>>>>>> Professional FreeSWITCH Consulting Services:
>>>>>>>>>>>>> consulting at freeswitch.org
>>>>>>>>>>>>> http://www.freeswitchsolutions.com
>>>>>>>>>>>>>
>>>>>>>>>>>>> Official FreeSWITCH Sites
>>>>>>>>>>>>> http://www.freeswitch.org
>>>>>>>>>>>>> http://confluence.freeswitch.org
>>>>>>>>>>>>> http://www.cluecon.com
>>>>>>>>>>>>>
>>>>>>>>>>>>> FreeSWITCH-users mailing list
>>>>>>>>>>>>> FreeSWITCH-users at lists.freeswitch.org
>>>>>>>>>>>>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>>>>>>>>>>>>> UNSUBSCRIBE:
>>>>>>>>>>>>> http://lists.freeswitch.org/mailman/options/freeswitch-users
>>>>>>>>>>>>> http://www.freeswitch.org
>>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>> _________________________________________________________________________
>>>>>>>>>>>> Professional FreeSWITCH Consulting Services:
>>>>>>>>>>>> consulting at freeswitch.org
>>>>>>>>>>>> http://www.freeswitchsolutions.com
>>>>>>>>>>>>
>>>>>>>>>>>> Official FreeSWITCH Sites
>>>>>>>>>>>> http://www.freeswitch.org
>>>>>>>>>>>> http://confluence.freeswitch.org
>>>>>>>>>>>> http://www.cluecon.com
>>>>>>>>>>>>
>>>>>>>>>>>> FreeSWITCH-users mailing list
>>>>>>>>>>>> FreeSWITCH-users at lists.freeswitch.org
>>>>>>>>>>>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>>>>>>>>>>>> UNSUBSCRIBE:
>>>>>>>>>>>> http://lists.freeswitch.org/mailman/options/freeswitch-users
>>>>>>>>>>>> http://www.freeswitch.org
>>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> --
>>>>>>>>>>>
>>>>>>>>>>> *Brian West*
>>>>>>>>>>> brian at freeswitch.org
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> *Twitter: @FreeSWITCH , @briankwest*
>>>>>>>>>>> http://www.freeswitchbook.com
>>>>>>>>>>> http://www.freeswitchcookbook.com
>>>>>>>>>>>
>>>>>>>>>>> *T:*+19184209001 | *F:*+19184209002 | *M:*+1918424WEST (9378)
>>>>>>>>>>> *iNUM:*+883 5100 1420 9001 | *ISN:*410*543 | *Skype:*briankwest
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> _________________________________________________________________________
>>>>>>>>>>> Professional FreeSWITCH Consulting Services:
>>>>>>>>>>> consulting at freeswitch.org
>>>>>>>>>>> http://www.freeswitchsolutions.com
>>>>>>>>>>>
>>>>>>>>>>> Official FreeSWITCH Sites
>>>>>>>>>>> http://www.freeswitch.org
>>>>>>>>>>> http://confluence.freeswitch.org
>>>>>>>>>>> http://www.cluecon.com
>>>>>>>>>>>
>>>>>>>>>>> FreeSWITCH-users mailing list
>>>>>>>>>>> FreeSWITCH-users at lists.freeswitch.org
>>>>>>>>>>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>>>>>>>>>>> UNSUBSCRIBE:
>>>>>>>>>>> http://lists.freeswitch.org/mailman/options/freeswitch-users
>>>>>>>>>>> http://www.freeswitch.org
>>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> _________________________________________________________________________
>>>>>>>>>> Professional FreeSWITCH Consulting Services:
>>>>>>>>>> consulting at freeswitch.org
>>>>>>>>>> http://www.freeswitchsolutions.com
>>>>>>>>>>
>>>>>>>>>> Official FreeSWITCH Sites
>>>>>>>>>> http://www.freeswitch.org
>>>>>>>>>> http://confluence.freeswitch.org
>>>>>>>>>> http://www.cluecon.com
>>>>>>>>>>
>>>>>>>>>> FreeSWITCH-users mailing list
>>>>>>>>>> FreeSWITCH-users at lists.freeswitch.org
>>>>>>>>>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>>>>>>>>>> UNSUBSCRIBE:
>>>>>>>>>> http://lists.freeswitch.org/mailman/options/freeswitch-users
>>>>>>>>>> http://www.freeswitch.org
>>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> --
>>>>>>>>>
>>>>>>>>> *Brian West*
>>>>>>>>> brian at freeswitch.org
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> *Twitter: @FreeSWITCH , @briankwest*
>>>>>>>>> http://www.freeswitchbook.com
>>>>>>>>> http://www.freeswitchcookbook.com
>>>>>>>>>
>>>>>>>>> *T:*+19184209001 | *F:*+19184209002 | *M:*+1918424WEST (9378)
>>>>>>>>> *iNUM:*+883 5100 1420 9001 | *ISN:*410*543 | *Skype:*briankwest
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> _________________________________________________________________________
>>>>>>>>> Professional FreeSWITCH Consulting Services:
>>>>>>>>> consulting at freeswitch.org
>>>>>>>>> http://www.freeswitchsolutions.com
>>>>>>>>>
>>>>>>>>> Official FreeSWITCH Sites
>>>>>>>>> http://www.freeswitch.org
>>>>>>>>> http://confluence.freeswitch.org
>>>>>>>>> http://www.cluecon.com
>>>>>>>>>
>>>>>>>>> FreeSWITCH-users mailing list
>>>>>>>>> FreeSWITCH-users at lists.freeswitch.org
>>>>>>>>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>>>>>>>>> UNSUBSCRIBE:
>>>>>>>>> http://lists.freeswitch.org/mailman/options/freeswitch-users
>>>>>>>>> http://www.freeswitch.org
>>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> _________________________________________________________________________
>>>>>>>> Professional FreeSWITCH Consulting Services:
>>>>>>>> consulting at freeswitch.org
>>>>>>>> http://www.freeswitchsolutions.com
>>>>>>>>
>>>>>>>> Official FreeSWITCH Sites
>>>>>>>> http://www.freeswitch.org
>>>>>>>> http://confluence.freeswitch.org
>>>>>>>> http://www.cluecon.com
>>>>>>>>
>>>>>>>> FreeSWITCH-users mailing list
>>>>>>>> FreeSWITCH-users at lists.freeswitch.org
>>>>>>>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>>>>>>>> UNSUBSCRIBE:
>>>>>>>> http://lists.freeswitch.org/mailman/options/freeswitch-users
>>>>>>>> http://www.freeswitch.org
>>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> --
>>>>>>>
>>>>>>> *Brian West*
>>>>>>> brian at freeswitch.org
>>>>>>>
>>>>>>>
>>>>>>> *Twitter: @FreeSWITCH , @briankwest*
>>>>>>> http://www.freeswitchbook.com
>>>>>>> http://www.freeswitchcookbook.com
>>>>>>>
>>>>>>> *T:*+19184209001 | *F:*+19184209002 | *M:*+1918424WEST (9378)
>>>>>>> *iNUM:*+883 5100 1420 9001 | *ISN:*410*543 | *Skype:*briankwest
>>>>>>>
>>>>>>>
>>>>>>> _________________________________________________________________________
>>>>>>> Professional FreeSWITCH Consulting Services:
>>>>>>> consulting at freeswitch.org
>>>>>>> http://www.freeswitchsolutions.com
>>>>>>>
>>>>>>> Official FreeSWITCH Sites
>>>>>>> http://www.freeswitch.org
>>>>>>> http://confluence.freeswitch.org
>>>>>>> http://www.cluecon.com
>>>>>>>
>>>>>>> FreeSWITCH-users mailing list
>>>>>>> FreeSWITCH-users at lists.freeswitch.org
>>>>>>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>>>>>>> UNSUBSCRIBE:
>>>>>>> http://lists.freeswitch.org/mailman/options/freeswitch-users
>>>>>>> http://www.freeswitch.org
>>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>
>>>>>
>>>>>
>>>>> _________________________________________________________________________
>>>>> Professional FreeSWITCH Consulting Services:
>>>>> consulting at freeswitch.org
>>>>> http://www.freeswitchsolutions.com
>>>>>
>>>>> Official FreeSWITCH Sites
>>>>> http://www.freeswitch.org
>>>>> http://confluence.freeswitch.org
>>>>> http://www.cluecon.com
>>>>>
>>>>> FreeSWITCH-users mailing list
>>>>> FreeSWITCH-users at lists.freeswitch.org
>>>>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>>>>> UNSUBSCRIBE:
>>>>> http://lists.freeswitch.org/mailman/options/freeswitch-users
>>>>> http://www.freeswitch.org
>>>>>
>>>>
>>>>
>>>> --
>>>>
>>>> *Brian West*
>>>> brian at freeswitch.org
>>>>
>>>>
>>>> *Twitter: @FreeSWITCH , @briankwest*
>>>> http://www.freeswitchbook.com
>>>> http://www.freeswitchcookbook.com
>>>>
>>>> *T:*+19184209001 | *F:*+19184209002 | *M:*+1918424WEST (9378)
>>>> *iNUM:*+883 5100 1420 9001 | *ISN:*410*543 | *Skype:*briankwest
>>>>
>>>>
>>>> _________________________________________________________________________
>>>> Professional FreeSWITCH Consulting Services:
>>>> consulting at freeswitch.org
>>>> http://www.freeswitchsolutions.com
>>>>
>>>> Official FreeSWITCH Sites
>>>> http://www.freeswitch.org
>>>> http://confluence.freeswitch.org
>>>> http://www.cluecon.com
>>>>
>>>> FreeSWITCH-users mailing list
>>>> FreeSWITCH-users at lists.freeswitch.org
>>>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>>>> UNSUBSCRIBE:
>>>> http://lists.freeswitch.org/mailman/options/freeswitch-users
>>>> http://www.freeswitch.org
>>>>
>>>
>>>
>>>
>>> --
>>>
>>> Frédérick Pruneau
>>> Administrateur réseau | Network administrator
>>> Targo Communications
>>> Ste-Clotilde : (450) 826-0031
>>> Montréal : *(514) 448-0773 <%28514%29%20448-0773> *
>>>
>>>
>>> _________________________________________________________________________
>>> Professional FreeSWITCH Consulting Services:
>>> consulting at freeswitch.org
>>> http://www.freeswitchsolutions.com
>>>
>>> Official FreeSWITCH Sites
>>> http://www.freeswitch.org
>>> http://confluence.freeswitch.org
>>> http://www.cluecon.com
>>>
>>> FreeSWITCH-users mailing list
>>> FreeSWITCH-users at lists.freeswitch.org
>>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>>> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
>>> http://www.freeswitch.org
>>>
>>
>>
>> --
>>
>> *Brian West*
>> brian at freeswitch.org
>>
>>
>> *Twitter: @FreeSWITCH , @briankwest*
>> http://www.freeswitchbook.com
>> http://www.freeswitchcookbook.com
>>
>> *T:*+19184209001 | *F:*+19184209002 | *M:*+1918424WEST (9378)
>> *iNUM:*+883 5100 1420 9001 | *ISN:*410*543 | *Skype:*briankwest
>>
>> _________________________________________________________________________
>> Professional FreeSWITCH Consulting Services:
>> consulting at freeswitch.org
>> http://www.freeswitchsolutions.com
>>
>> Official FreeSWITCH Sites
>> http://www.freeswitch.org
>> http://confluence.freeswitch.org
>> http://www.cluecon.com
>>
>> FreeSWITCH-users mailing list
>> FreeSWITCH-users at lists.freeswitch.org
>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
>> http://www.freeswitch.org
>>
>
>
>
> --
>
> Frédérick Pruneau
> Administrateur réseau | Network administrator
> Targo Communications
> Ste-Clotilde : (450) 826-0031
> Montréal : *(514) 448-0773 <%28514%29%20448-0773> *
>
>
>
> _________________________________________________________________________
> Professional FreeSWITCH Consulting Services: consulting at freeswitch.orghttp://www.freeswitchsolutions.com
>
> Official FreeSWITCH Siteshttp://www.freeswitch.orghttp://confluence.freeswitch.orghttp://www.cluecon.com
>
> FreeSWITCH-users mailing listFreeSWITCH-users at lists.freeswitch.orghttp://lists.freeswitch.org/mailman/listinfo/freeswitch-users
> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-usershttp://www.freeswitch.org
>
>
>
> _________________________________________________________________________
> Professional FreeSWITCH Consulting Services:
> consulting at freeswitch.org
> http://www.freeswitchsolutions.com
>
> Official FreeSWITCH Sites
> http://www.freeswitch.org
> http://confluence.freeswitch.org
> http://www.cluecon.com
>
> FreeSWITCH-users mailing list
> FreeSWITCH-users at lists.freeswitch.org
> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
> http://www.freeswitch.org
>
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